Methods for joining tissue by applying radiofrequency energy to performed collagen films and sheets
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United States of America Patent
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Sep 23, 1997
Grant Date -
N/A
app pub date -
Jun 5, 1995
filing date -
Feb 13, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for joining or restructuring tissue consists essentially of providing a preformed film or sheet of a solid filler material which fuses to tissue upon the application of energy. The material comprises collagen, gelatin, mixtures thereof, optionally combined with a plasticizer, and the film may be cut prior to placing over the tissue. Radiofrequency energy is then applied at between about 20 and 120 Watts to the filler material and the tissue after the filler material has been placed over the tissue for about 1 to 60 seconds so that about 20 to 1800 joules are delivered to the filler material and tissue.
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